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11212025320020 = 22357231160665147
BaseRepresentation
bin1010001100101000000011…
…0010010101001001010100
31110200212012022200220200210
42203022000302111021110
52432144211440220040
635502422222005420
72235020303521350
oct243120062251124
943625168626623
1011212025320020
113632aa1aa6018
121310b70716870
1363439bc017b5
142aa944786460
151469b5701480
hexa3280c95254

11212025320020 has 96 divisors (see below), whose sum is σ = 37438415013888. Its totient is φ = 2451324788352.

The previous prime is 11212025319893. The next prime is 11212025320049. The reversal of 11212025320020 is 2002352021211.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 580322914 + ... + 580342233.

It is an arithmetic number, because the mean of its divisors is an integer number (389983489728).

Almost surely, 211212025320020 is an apocalyptic number.

11212025320020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11212025320020 is an abundant number, since it is smaller than the sum of its proper divisors (26226389693868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11212025320020 is a wasteful number, since it uses less digits than its factorization.

11212025320020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160665189 (or 1160665187 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 11212025320020 its reverse (2002352021211), we get a palindrome (13214377341231).

The spelling of 11212025320020 in words is "eleven trillion, two hundred twelve billion, twenty-five million, three hundred twenty thousand, twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 23 28 30 35 42 46 60 69 70 84 92 105 115 138 140 161 210 230 276 322 345 420 460 483 644 690 805 966 1380 1610 1932 2415 3220 4830 9660 1160665147 2321330294 3481995441 4642660588 5803325735 6963990882 8124656029 11606651470 13927981764 16249312058 17409977205 23213302940 24373968087 26695298381 32498624116 34819954410 40623280145 48747936174 53390596762 69639908820 80085895143 81246560290 97495872348 106781193524 121869840435 133476491905 160171790286 162493120580 186867088667 243739680870 266952983810 320343580572 373734177334 400429475715 487479361740 533905967620 560601266001 747468354668 800858951430 934335443335 1121202532002 1601717902860 1868670886670 2242405064004 2803006330005 3737341773340 5606012660010 11212025320020